Android: Avoid linking with --gc-sections.

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 5fcc050b1741aacfeebd2a964c30ec32f1460e4b..8d2acbde4c99cff87d012f534f3c7ea8e7af17a4 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -1371,10 +1371,6 @@ config("no_optimize") {
       "-fdata-sections",

[agrieve, 2016/10/03 18:34:17]

Would it make sense to also remove -fdata-sections and -ffunction-sections? I
think these are used only to make --gc-sections work.

[Lei Zhang, 2016/10/03 20:45:50]

Done.

       "-ffunction-sections",
     ]
-
-    # Don't use gc-sections since it can cause links to succeed when they
-    # actually shouldn't. http://crbug.com/159847
-    ldflags = common_optimize_on_ldflags - [ "-Wl,--gc-sections" ]
   } else {
     cflags = [ "-O0" ]
     ldflags = []